* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
table {
  width: 100%;
}
address,
caption,
cite,
code,
dfn,
th,
var,
em,
i {
  font-style: normal;
  font-weight: normal;
}
.coupon {
  background: #fff;
  box-shadow: 0px 0px 5px 5px #ecf1fa;
  border-radius: 5px;
}
.coupontitle {
  line-height: 90px;
  height: 90px;
  border-bottom: 2px solid #dadee8;
  padding: 0 20px;
}
.coupontitle span {
  display: block;
  color: #808080;
  width: 128px;
  font-size: 20px;
  position: relative;
  text-align: center;
  float: left;
}
.coupontitle .active {
  color: #1966ff;
  font-weight: 800;
}
.coupontitle .active:after {
  content: '';
  display: block;
  width: 128px;
  height: 0;
  border-bottom: 3px solid #1966ff;
  position: absolute;
  left: 0;
  bottom: 0;
}
.couponbox {
  overflow: hidden;
  background: #fff;
}
.couponbox li {
  float: left;
  width: 227px;
  box-shadow: 0px 3px 3px 3px #f2f2f2;
  margin: 12px;
  border-radius: 8px;
}
.couponbox li a {
  display: block;
  width: 140px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  color: #fff;
  font-size: 16px;
  margin: 16px auto;
  background: #f00;
  border-radius: 20px;
}
.couponbox li .couponbtm {
  padding: 20px;
}
.couponbox li .couponbtm p {
  font-size: 18px;
  color: #333;
  line-height: 36px;
}
.couponbox li .couponbtm span {
  display: block;
  line-height: 24px;
  color: #808080;
  font-size: 14px;
}
.couponbox li .coupontop {
  height: 160px;
  width: 100%;
  color: #fff;
  overflow: hidden;
}
.couponbox li .coupontop p {
  text-align: center;
  margin-top: 10px;
  font-weight: 800;
}
.couponbox li .coupontop span {
  font-size: 12px;
  display: inline-block;
  color: #fff;
}
.couponbox li .coupontop .btn {
  display: block;
  width: 138px;
  height: 28px;
  border: 1px solid #fff;
  border-radius: 14px;
  line-height: 26px;
  text-align: center;
  font-size: 15px;
  margin: 0 auto;
}
.couponbox li .coupontop i {
  font-size: 71px;
  display: inline-block;
}
.couponbox .erjian {
  background: url("../img/youhui3.png") no-repeat center top;
}
.couponbox .erjian a {
  background: #1966ff;
}
.couponbox .jiankang {
  background: url("../img/youhui1.png") no-repeat center top;
}
.couponbox .jiankang a {
  background: #4fc277;
}
.couponbox .xiaofang {
  background: url("../img/youhui2.png") no-repeat center top;
}
.couponbox .xiaofang a {
  background: #e93c67;
}
